液压解答及常见故障排除液压解答及常见故障排除液压油清洁度液压油清洁度 ISO 标准及标准及 NAS 1638 标准对照表标准对照表ISO CodeNAS 163819/161018/15917/14816/13715/12614/12 14/11513/10412/9311/8210/8 10/7110/6 9/60ISO 4406 清洁度标准清洁度标准颗粒 5 颗粒 15 100 CC 液压油ISO 等级8,000,000 16,000,000244,000,000 8,000,000 232,000,0004,000,000 221,000,0002,000,00021500,000 1,000,000 20250,000 500,000 19130,000250,000 1864,000 130,000 1732,00064,000 1616,00032,000 158,00016,000144,0008,000132,0004,000 121,0002,000 115001,000 1025050091302508641307326461632581644832 42121